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3 years ago

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Can someone help me out pls i’ll give brainliest!

1 answer:

iragen [17]3 years ago

6 0

answer

three

explain hope this helps

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A sociologist recorded the estimated life expectancies of women born in Center City. Use the data from women born in 1970 and 20

ANEK [815]

Y = 0.213x – 352.0 <span> represents this linear model shown in the data table.
Plug in the values of x into the equation for a double check.
Let's try 1980.

</span><span>y = 0.213(1980) – 352.0
</span>y = 69.74
which is closest to the 70.1 whereas other options do not satisfy the condition.

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4 years ago

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3(4x+5)=33 What’s the value of x

atroni [7]

Answer:

the answer would be 20

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3 years ago

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Please help with 6 and 7

Ilya [14]

Answer:

6. The number is $-5$

7. The two numbers are $10$ and $11$

Step-by-step explanation:

Question six can be re-worded to create the following expression:

$-2=\frac{4x+10}{5}$

Solve for x to find the number:

$-2=\frac{4x+10}{5}\\-10=4x+10\\-20=4x\\\frac{-20}{4} = x\\-5 = x$

Question seven can be solved by first listing the constraints (assuming x is smaller than y):

x and y are less than 20
$x + 1 = y$
$3x - 8 = 2y$

To get the numbers, we can create a system of linear equations. First, solve for $y$ in each expression:

$y = x+1$

$2y = 3x-8\\y = \frac{3}{2}x - 4$

Solve for $x$ :

$x+ 1 = \frac{3}{2}x - 4\\x + 5 = \frac{3}{2}x\\5 = \frac{3}{2}x - x\\5 = \frac{1}{2}x\\10 = x$

Solve for $y$ :

$y = x + 1\\y = 10 + 1\\y= 11$

4 0

2 years ago

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Last year, your salary was $33,975. This year, your boss tells you your salary will be $34,960. What percent raise (change) did

Pavlova-9 [17]

Answer:

2.9%

Step-by-step explanation:

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3 years ago

16 2/3 percent of what number is 72

MArishka [77]

The answer is about 432.178

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4 years ago